Man struck by semi and killed after walking into I-10 traffic

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PHOENIX -- A man died after being struck by a semi tractor-trailer while walking on eastbound Interstate 10 Tuesday afternoon.

According to the Department of Public Safety, Doug Edward Marcus, 36, crossed the Seventh Street on-ramp then went over the gravel gore area and entered the far right lane of I-10 directly into the path of a semi truck.

DPS spokesman Officer Robert Lee Bailey said the truck driver applied the brakes and swerved to the left to avoid Marcus, but he continued walking toward the path of the truck, placing his arms up.

DPS officers and bystanders began CPR on Marcus until the Phoenix Fire Department arrived, however, paramedics determined Marcus was dead.

Investigators say it appears this case is a suicide, but the death is still under investigation.

Traffic was restricted on eastbound I-10 for several hours while investigators cleared the scene.